import java.util.LinkedList;
import java.util.Queue;

public class Test {
    public static void main(String[] args) {
        MyQueue mq = new MyQueue();
        mq.offer(1);
        mq.offer(2);
        mq.offer(3);
        mq.offer(4);
        System.out.println(mq.size());
        System.out.println(mq.peek());
        Queue<Integer> q1 = new LinkedList<>();
    }
}
